DF2211NP24V Renesas Technology / Hitachi Semiconductor, DF2211NP24V Datasheet - Page 246

• Manufacturer Part Number: DF2211NP24V
• Description: H8S/2200 Series, 2212 Group, USB, RTC, HSS TNP-64B; Vcc= 2.7 to 3.6 volts, Temp= -20 to 75 C; Package: PVQN0064LB-A
• Manufacturer: Renesas Technology / Hitachi Semiconductor

Rev.7.00 Dec. 24, 2008 Page 192 of 698
REJ09B0074-0700
Figure 7.12 Operation Flow in Block Transfer Mode
MARB = MARB – DAIDE · (–1)
MARA = MARA – SAIDE · (–1)
MARB = MARB + DAIDE · (–1)
MARA = MARA + SAIDE · (–1)
Write to address specified by MARB
No
Read address specified by MARA
ETCRAL = ETCRAL–1
ETCRB = ETCRB – 1
ETCRAL = ETCRAH
(DTE = DTME = 1)
Clear DTE bit to 0
Transfer request?
ETCRB = H'0000
ETCRAL = H'00
to end transfer
Release bus
Acquire bus
BLKDIR = 0
Start
Yes
Yes
Yes
Yes
SAID
DAID
· 2
· 2
SAID
DAID
DTSZ
DTSZ
· 2
· 2
· ETCRAH
· ETCRAH
DTSZ
DTSZ
No
No
No